Packing.



' limp sag.-

difvomm m A.

J. CRANE.

PACKING.

APPLICATION FILED June. 191v Patented Apr. 26, 1910.

50 of the central portion, ;iyliich is p'roiridedi STATES PAI N F E-PACKIN compqsed pfthe gra hite amtof commerce 'to which has been eddjedsf fi ake' graphite and hicagc, canysuitable lubricating dil,.thiscoatin =bed State'o fllli ois, ing indiciitedflat' 6.3-; nuniberofjt heseetseo ;-and ,.,ii'sfefulFIm "'s'o prepared are placed 'togethegj asshown in whlchi-the 'fol ig.'=1, and-{then rolledup .i'ntocylindricalkmg employed '1 shows ":1" cylinder" partly ;coii1p eted. -;The

, the particular structure'thns feriiied is, then covered with a 65 Beit known thehL tJOHN CRANE citizen of the United 'Stetes,, 17esiding;at."

V in the county gif cook a' prq'vement's'ir'iconstruction;" for allpurposes quired.

r irements 'app 103131011 for efiicicnt; {23nd dursih'le cut intovarimisflen g t 'ments in ;each}pa"" used, and ltqffur "s bent intqvEr'pu 5 not;eiisily aflectedjfhy'heiitj IEprefer to-u se sforthisfpurpose qrdiniiry graphite paint.

' Aftei"e'pplying thisffreely tq" the outer sur- 75 'fae'h ndfbefioiethe paint'is di'y, the-cylin- Contact V v dered gra"hite,the resultingcolvering being" Further-'Ob ectsof this invention re td.sighatedihy1'th enninei;al 10. prpduce a peck n? that will.hgxve;r;the rre+; (here-a p'zick'ingjbf'censiderehleisize isesoz 25qulreddegreefbfje iyi th a re niredffer"thejpurposes' Of-conomwanden thes'tizuctjnr, the bulk of the inei'ior hrfouiida'tleni-p rti niseomposedofi lllibely-re'w afibr'ous' or'e, ihdicatcd at 11 in Fig. 3.-

tained ln'sha'pe iiheifso' molded lt0 fllIIIliSll Heaiy'cntton wickingfor hemp rope may be 85 ta a packing cens triicted bfisui b 1 en' ploycdfor'thiscci e, which is placecl'in' and 1n sue amanner"thfat V w twith-the superposed lead sheets and vehicle forepplyiiigliibricgin I I di J! hen rolled about the said core to able parts of ajoint,tOtWhiChIifiJnQY-bc ap i form n cylinder. Before this core is putin e materials acter stated that will preservelits' plastic; with thegraphite paint and oil com aound and lubricating qualities indefinitelywhen as shown-by the heavy line 12, in ig. 3. stored. The final cohting'in" any casemay. be: es-r I accomplish the'desird results meanspl1i1ltum',"a hydrocarbon painter anyisuitof the structure illustrateding th able'compound that rilljform a protcctivc=95- 40 pzmyingdrawingfwhichiiqrms a-parti of coveringyp ovided it is not of suchhfnature this application, the deta'ils'df ecnstructi dnas to impa f'tiejquality of the lubricating heing disclosed in the fqllowing-views i ecomponnd ji'yhich is 6n the inside. A fur- Figure l is apersp'ectiiic-fvie of se-vgral thcr-purpbse 0'f the duter coalhig is to.prew 4 superposed sheets of flexible rolled into cylindricalforxr 'tqproduce '1:

' central :thus preserving it for an hnlefinitedpcriod portion of myimproved packing? 41nd permitting "it to bekepten hand for Fig. L is utransversesection;of-:the1com some time witho'i' t detei'n ration.

plcivil pacln'n'g, 'and Fi'g. 3 -is}a "tmnslverse This packing is tobe'gxsed for all cases to section of a modified fojrm of i onstrtlctioniclcs are usually adapted and 10b Wlll' be-found to serve thepurpn'sejntended' v with a core. I s'incc-tl lc cslinder-is moi c orless cla'stigend.

" Referring to the details of the drawing, 'at the same tithe-"0fa-plastic character; so the numcral' uindicntes sheets of lead cfexthatit will 'yicld read1ly tq pressure and of the packing; Thefsheetsare'first treated,=-' irregularities oftlie sggfgccs with .iwhich, it byapplying to theii: (surfaces-a cglnpound s incontaict and W!" retain itsshape by reaplied, and to providej'ah iirticle'of 'the chap place Itshould first be thoronghly coated fvcnt-the oils from (lrvingmit of'the'packmg';

trcmedhinh'ess 'which f9rm th e fo lihdatioii 'r'nav lie :casllymoldcdto conformvto theq u,

son of the consistency of the paint and other coatingswhigh enter, intoits' construction, at

the some tim'e'the contained oil and graphite --\vi1-l produce aneflicient lubrication when up lied to moving parts;

{aving thus described invention what I cla1m'as new,is:- I 1. In apacking; the combination of a plurality of superposed thinfie'xiblemetallic s he' ets arrangedm'eylmdric form, a lubrieatingcompound :Eplied-to the surfaces of said sheets before ey are soarranged, layers of fibrousmaterial wrapped-around the 1 'saidfcyiinder,and .a protective coating of 15' 1 face oitjthestructure s? formed;

hydrocarbon-paint-ap ied to the outer sur "2,131 a packing, .the'combination "of a,

fibrous core, j metallic layer surrounding sa-id core,. said Layer; belncomposed of sliperposedthin sheets 0 I ad separately 1 ,cover'ed with alubricating compoundand rolled up into compact form, layers of fibrousmaterial surrounding the metallic layer, and an adhesive heat resistingprotective covering for the entire structure.

3. In a packing, the combination of a fibrous core, a lubricatingcompound a -;.v

-.p1ied to said core, a metallic layer surroun mg said core, said'layerbeing composed of superposed sheets of lead, a coating of Iubri- 31eating substance applied'to said sheets of lead, a lever of cottonwicking covering the said meta lic layer, a wrapping of twinesurrounding. the cotton layer, and a protective coverlng of paintapplied to the outer sur- 3:

